UPDATE: Police have located a woman and man following an extensive search in northern NSW.

The 33-year-old woman and 36-year-old man were last seen about 8am today (Saturday 7 October 2017), in Glen Innes. Police will allege the woman, from the state's Hunter region, was being held against her will and serious concerns were held for her welfare. Detectives from Central Hunter, New England, Oxley and Orana local area commands, along with the Robbery & Serious Crime Squad, launched inquiries into the incident. Following an extensive search they were located at a property on Pinkett Road at Red Range just after 5.30pm today (Saturday 7 October 2017). The man was arrested and taken to Glen Innes Police Station. The woman has been taken to hospital suffering minor injuries. Inquiries into the incident are continuing.

UPDATE: Police are continuing the search for the two missing people.

NSW Police have released information stating they have serious concerns about the woman's welfare.

Sarah Leedham, 33, is described as being of Caucasian appearance, 160cm to 165cm tall, 60kg to 70kg with a medium build, a fair complexion, blonde hair and blue eyes.

If you have any information in relation to this incident, please contact Crime Stoppers on 1800 333 000 or if you have information concerning their whereabouts, contact Triple Zero immediately.

BEFORE: Police are appealing for public assistance to locate a man and woman believed to be travelling in Northern NSW.

Sarah Leedham and Garry Fletcher were last seen at 8am today, in Glen Innes.

Sarah Leedham, 33, is described as being of Caucasian appearance, 160cm to 165cm tall, 60kg to 70kg with a medium build, a fair complexion, blonde hair and blue eyes.

Garry Fletcher, 36, is described as being of Caucasian appearance, 177cm, 82kg, with a medium build, fair complexion and light brown hair. He has a beard and moustache.

Police do not have a description of their current vehicle.

Police have concerns for the welfare of Ms Leedham and ask that anyone who may have seen either person, or has information concerning their whereabouts to contact Triple Zero (000) immediately.

Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au/

Information you provide will be treated in the strictest of confidence. We remind people they should not report crime information via our Facebook and Twitter pages.